In this Monday, May 18, 2020 file photo, Jimena Aballe directs her neighbors as they disinfect their own streets in the Villa 31 neighborhood to curb the spread of COVID-19 in Buenos Aires. Winter is ending in the Southern Hemisphere and country after country – South Africa, Australia, Argentina – had a surprise: Their steps against COVID-19 also apparently blocked the usual flu epidemic. (Photo by Natacha Pisarenko/AP Photo)
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